Module developer_hub::reference_docs::glossary
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The glossary.
Glossary
State
The data around which the blockchain network wishes to come to consensus. Also referred to as “onchain data”, “onchain storage” or sometimes just “storage”. In UTXO based blockchains, is referred to as “ledger”.
Synonyms: Onchain data, Onchain storage, Storage, Ledger
State Transition Function
The WASM Blob that dictates how the blockchain should transition its state upon encountering new blocks.
Host
The environment that hosts and executes the state transition function’s WASM blob.
Client
The full software artifact that contains the host, but importantly also all the other modules needed to be part of a blockchain network, such as peer-to-peer networking, database and such.
Synonyms: Node
Light Client
Same as client, but when capable of following the network only through listening to block headers. Usually capable of running in more constrained environments, such as an embedded device, phone, or a web browser.
Offchain
Host Function:
Runtime API:
Dispatchable:
Callable